Home / 836,821.49-1,154,815.26-454,847.36

Finding the Fourth Proportional to 836,821.49, 1,154,815.26 and 454,847.36

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Solution

The fourth proportional to 836,821.49, 1,154,815.26 and 454,847.36 is: 627,690.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,821.49 : 1,154,815.26 = 454,847.36 : x
  2. Step 2: Convert to fraction form
    836,821.49/1,154,815.26 = 454,847.36/x
  3. Step 3: Cross multiply
    836,821.49x = 1,154,815.26 × 454,847.36
  4. Step 4: Simplify right side
    836,821.49x = 525,264,672,298.71
  5. Step 5: Solve for x
    x = 525,264,672,298.71/836,821.49
  6. Step 6: Final answer
    x = 627,690.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.